First Name =Juozas Juvencijus Last Name =Macys Title =hab.dr Institution =Institute of Mathematics and Information, Vilnius Street Address =Akademijos g. 4 City =Vilnius State =LIETUVA Zip Code =LT-08663 Telephone =+3705 21 09 326 FAX = E-mail =jmacys@ktl.mii.lt URL = Title of talk =School-elementary proofs of irrationality